<template>
    <div>


        <div id="slider" class="mui-slider">
			<div id="sliderSegmentedControl" class="mui-scroll-wrapper mui-slider-indicator mui-segmented-control mui-segmented-control-inverted">
				<div class="mui-scroll">
					<a 
                      :class="['mui-control-item', item.id == 0 ? 'mui-active': '']" 
                      v-for="item in cates"
                      :key="item.id"
                      @tap="getPhotoListByCateId(item.id)">
						{{ item.title }}
					</a>
				</div>
			</div>
		</div>

        <ul class="photo-list">
            <router-link 
              v-for="item in list" 
              :key="item.id"
              :to="'/home/photoinfo/' + item.id"
              tag="li"
            >
              <img v-lazy="item.img_url">
              <div class="info">
                  <h1 class="info-title">{{ item.title }}</h1>
                  <div class="info-body">{{ item.zhaiyao }}</div>
              </div>
            </router-link>
        </ul>

    </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'


export default {
    data() {
        return {
            cates: [],
            list: []
        }
    },
    created() {
        this.getAllCategory();
        this.getPhotoListByCateId(0);
    },
    mounted() {
        mui('.mui-scroll-wrapper').scroll({
	        deceleration: 0.0005 
        });
    }, 
    methods: {
        getAllCategory() {
            this.$http.get('api/getimgcategory').then(result => {
                if (result.body.status === 0) {
                    result.body.message.unshift({ title: '全部', id: 0 });
                    this.cates = result.body.message;
                }
            })
        },
        getPhotoListByCateId(cateId) {
            this.$http.get('api/getimages/' + cateId).then(result => {
                if (result.body.status === 0) {
                    this.list = result.body.message;
                }
            })
        }
    },
}
</script>

<style lang="scss" scoped>
* {
    touch-action: pan-y;
}

.photo-list{
    list-style: none;
    margin: 0;
    padding: 10px;
    padding-bottom: 0;
    li{
        background-color: #ccc;
        text-align: center;
        margin-bottom: 10px;
        margin-bottom: 10px;
        box-shadow: 0 0 9px #999;
        position: relative;
        img{
            width: 100%;
            vertical-align: middle;
        }
        img[lazy=loading] {
            width: 40px;
            height: 300px;
            margin: auto;
        }

        .info{
            color: #fff;
            text-align: left;
            position: absolute;
            bottom: 0;
            background-color: rgba(0, 0, 0, 0.4);
            max-height: 84px;
           .info-title{
               font-size: 14px;
           }
           .info-zhaiyao{
               font-size: 12px;
           } 
        }
    }
}

</style>
